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发布时间:2023-09-29 22:45:12

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A study by scientists in Finland has found that mobile phone radiation can cause changes in human ceils that might affect the brain, the leader of the research team said.
But Darius Leszczynski, who headed the g-year study and will present findings next week at a conference in Quebec(魁北克), said more research was needed to determine the seriousness of the changes and their impact on the brain or the body.
The study at Finland’s Radiation and Nuclear Safety Authority found that exposure to radiation from mobile phones can cause increased activity in hundreds of proteins in human cells grown in a laboratory, he said.
"We know that there is some biological response. We can detect it with our very sensitive approaches, but we do not know whether it can have any physiological effects on the human brain or human body," Leszczynski said.
Nonetheless the study, the initial findings of which were published last month in the scientific journal
A. Mobile phone radiation can increase protein activities and such activities can make the protective shield more permeable.
B. Mobile phone radiation can shrink the blood vessels and prevent blood from flowing smoothly.
C. Mobile phone radiation will bring stress to people exposed to it.
D. Mobile phone radiation kills blood cells at a rapid speed.

更多"A study by scientists in Finland ha"的相关试题:

[单项选择]

A study by scientists in Finland has found that mobile phone radiation can cause changes in human ceils that might affect the brain, the leader of the research team said.
But Darius Leszczynski, who headed the g-year study and will present findings next week at a conference in Quebec(魁北克), said more research was needed to determine the seriousness of the changes and their impact on the brain or the body.
The study at Finland’s Radiation and Nuclear Safety Authority found that exposure to radiation from mobile phones can cause increased activity in hundreds of proteins in human cells grown in a laboratory, he said.
"We know that there is some biological response. We can detect it with our very sensitive approaches, but we do not know whether it can have any physiological effects on the human brain or human body," Leszczynski said.
Nonetheless the study, the initial findings of which were published last month in the scientific journal
A. People will be forbidden to use mobile phone.
B. People dare not use mobile phone because of its radiation.
C. People will continue to use mobile phone.
D. There will be new restrictions on the use of mobile phone.

[单项选择]One study found that job applicants who make more eye contact are () as more alert, dependable, confident and responsible.
A. referred
B. perceived
C. recommended
D. presumed
[单项选择]Compared to ______ in the office, Kate found it more exciting to work as a teacher.
A. work
B. having worked
C. working
D. be working
[单项选择]Another study found that _________ students with basic job information in high school was associated with higher earnings in the future.


A. acquainting
B. recognizing
C. acknowledging
D. identifying
[单项选择]Written language in its initial stare was found more advantageous in that ______.


A. it could communicate more accurately than the oral language
B. it had developed from picture language
C. information could be recorded and transmitted
D. it was easier to learn than picture language
[单项选择]The authors of the Ambio study have found that ______.


A. forests get rid of lead pollution faster than expected
B. lead accumulations in forests are more difficult to deal with
C. lead deposits are widely distributed in the forests of the US
D. the upper layers of soil in forests are easily polluted by lead emissions

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